Means for correcting sensitive relays.



I. KITSEE.

MEANS FOR GOBREGTING SENSITIVE RELAYS.

Patented Apr. 4, 1911.

APPLICATION FILED B26 29. 1908.

TE s- ATE S PATENT OFFICE Isms; ssing" 03 PH'IZ 'DEL'PH AQ PENNSYLVANIIR.

'mmms Fonlcoimeemme 'sENsITWE RELAYS. I

."s iimi filed DecemberQB, 1 6's. S B-m1, m. 469],7 'J

5 Be it lfnqwn that I, IISIID delghim; county f- Philadelphia, State of Pennsylvania, i

' d. useful ,ll ip'revements i 11 I iii'zg Sensflv Relays, o:E which the. fol

' v eliication. i

M) .the defects in-yei y l n .eenneetion with a cable 01? line, 0-1 in; any relapl'en where a my ebleeleetriczil ene rgyl sitiveiy:

contests 0i:

a'emetiensg sometimes being} a'zi'ela tively W asesi'tm ee and at othentmies an extremely I high resistaneev I meet-f:

O1: K ITsEp, aieiti z-emof the United States, residing at-Philahgwe invented eertain new I esu'is' for Cor-j ."EiV JlhlOIL relates (,o fqf I sensit ve relays, v v

sitive" relay is empleyecl' p4) -rlespend I 13 very sensitive relays, the energy" avail able-017 causing-the 'n ov'ement of .tl ie a1 ma-.- wish ten-gale or moy'a hle member-is Veryl slight 'ahdlhe movable. member is'yei y senv met d erpivotedxand generally.

" h3SJaV8Y fSl19It st nks 01 mevementbetween stops; in responding to su hfeeble energy the movable. member engages ith a stop erinontact, theresistaiiee of th ceniaet reeing differentfo r different ela y.

{of a eon'tac t standard I Andin-mthe. local circuit. centrelledhy the movable member andQcclnr there hasieommezly been employed a. f0r, -e'X- I a'nd'even withdwpoteniiehsource,.jspa- 'king t the I I II n I or ,;unhiased, but is preferably unb ased,

And even when condensers or resistances, 101' i .is reeleiyed. fiiom the li e O P QElb'lB OIf condpctor 5 of the sensitive relay 1? e mwny i gl im- .iiig; the p r ng and com.

i'gnetiz 'ngefie'ct ii the electro-- v nd th r-Q BL-al d "'oiiiefiimes' 'a 'melranieal stickinget lahe-egn; s; a}; sticking not-dueitgsparking co-m'e -"t hes e -,defects vin in Very. ,s e'nSi tiy eZ ifeleyl- TO. this end, I ei Jripl yaiixiliaiy eireflit's; r'elz ys, and apparatus, as hereinafter "d scrlhed whichi eorreefi for the defect s: a, SIQDSIUYG. relay and, cause the signals. m be p0sitiye, 'certain-and wj f My inventionresides also" in other IfBTBLtllI G S hereinafter described and pointed euthi i the claims. I.

Fer. an llustration of some lhe f QfimS, my invention may. take, I nefereiiqe, is t0"'be reacting its defects. Ei g." 2 is a d tron" thereof, F "3 an elevatiqnal flew- I I or holdelj ofthe sensi tiyerelay 'wllthlmeansfor' Iham ta i 111g tlie I relay cohtacts iii "olive state 0% yi'bratipi h Fig; A 1s..g'p1a;n View, partly in section; bf the standard su portingithe sensitiye' 'elpyflcgnq other cable o r'line over-which extremely faint energy is transmitted. In s'eries;be

,tween the same and earth-Eds. cen ieeted the winding of a polarized I relay" R," {which an extremely sensltive relay heyixigjthede The. or-movable mmbeif fiym v ebid d 1;

'fects' -or faults heretdfniielpoi ited (nit, tongu isndapi'ed td engage the ejqrit'gxefs'qlalid b. @S upposea positive impulse, fo pe mp th r:

eontactsiesistmce is had to the accompanying drawing, il vhieh zI Figurel is a diagrammatip YiewLillusfr,a1;=1 "mg a sensitive relay with ineg sjfer Ie r Q "ia' .imatic View similar t0 Fig. .l' a Iidfa ,ni

' contacts relatively movable cont-acts, said having being so'delicate. and so feebly ac;-

ftuatedby received energy that their engage;

potential high the contacts of said sensitive relay,

4. The combination witha'sensitive relay having vrelatively movable contacts, contacts being so delicate and so feebly actuated-by received energy that their en .first enga ement' ga ement is uncertain and causes widely d1 erent contact res1stances,.

lay in said circuit positively energized upon spectiveo the contactresistance, and'a signal translating instrument said second relay.

5. The combination with a sensitive relayhaving relatively movable contacts, .said

Tcontacts being so delicate and so feebly actuated by received energy that their engage.- --1-nent' is uncertain and causes idely different contact resistances/of a circuit con trolled by said cont-acts, a

- eluded in said circuit, a source of energy that their engagement is vuncertain and included in said circuit. and

high enough to positively energize said second relay irrespective of the resistance of the contact made bysaid'sensitive' relay, and means controlled by 'said' second relay for interrupting saidIcIr'cuit immediately after establishment once for each line impulse.

- 6.- The combination with asensitive relay having a contact m'ovabl'e relatively tov a pair of contacts, said'contacts being so delicate andfeebly actuated by received energy causes widely different. contact resistances,

of a circuit controlled by'each of said 'pair controlled by of contacts, a second v rela said contacts of said sens tive [relay,',said second relay when energized causing the rupture of the circuit elosed' by engagement of said 'ontacts of said sensitive relay, and

biased --re lay having-a contact controlling the closure cuits, s a-id circuitbeing-c'ontrolled by the :other contact of said pair-of sensitive relay v v I contacts. v a

7. The combination with a movable relatively to a pair of contacts, being so delicate and so feebly actuated by received energy that their engagement is uncertainF-and causes widely different con- ,tive relay,'-' aid 'secon tact-resistances, of; a circuit controlled by. re lay controlled by said contacts-of said sensid relay when energized.

eachyof said pair of contacts, a second F said v of a circuit controlled by said contacts, and a-second re-- 20 of said contacts and 1rrecontrolled by second relay ins of "a potential off one of. said .cir-- sensitive unsaid contacts 7 me'nt is .-uncerta1n and causeswidely differ? 'ent contact resistances, of. a circuit-com trolled by saidxsensitive relay, asecond re lay included in said circuit, and ajsour'cejof energy in said circuit of enough to energize said second relay irreispective of the resistance. at

and a' signal t'ranslating'f instrument controlled by said second relay.

en agement; 0

"BS 'The. "combination biased relay havinga' contact being so delicate'and so} feebly certain and lay, saidseeond'r'elay "ing the rupture of the circuit closed by pair of sensiti biased relay having 1 ated by received energy and relatively tacts being so delicate and so feeblylactucausing the in ture of the circuit closed by said contacts of saidsens-i2 'tiv e relay and 'pair'ctsensitive relay contacts. 1

movable rela? received energy that their engagement is unresi'stance's, of a second unbiased relay controlled ,by said-contacts ofsaid sensitive re when energized causen'gagement ofthe contacts of saidv sensitive relay and controlling 'the closure of acircuit controlled by. the other contact of said ve relay contacts. 9. Theconibination; with a sensitive una single moving system and relatively movable. contacts,- said contacts being so delicate and so'vfeebly actui that their engage ment is uncertain'and causes widely difierent contact resistances, of a circuit controlledfby said sensitive relay, a second relay included in said circuit, and a source of energy in said circuit, of potential high enough to energize said secondrelay irrespective of the resistance at the contacts of said sensitive relay...

.10; The comblnation with a sensitive unbiased relay having a single moving system movable contacts, said' c0n ated by received energy that their engagement is uncertain and causes widely different contact resistances, of a circuit controlled by said sensitive relay, a second'unbiased relay included in said circuit, and a source of energy in saidci'rcuit of potential highenough to energize said second' relay irrespective of theresistance at the contacts of said sensitive relay.

11.-The combination with a sensitive unbiased relay having a single moving system :and movable, contacts, said contacts being so delicate and so- 'feebly actuated'by'receivedfenergy that their engagement is un-' certain and causes Widely dilferentcontaot resistances, of a circuit'eontrolled by saidcontacts, and-means in said circuit 'posi- .tively energized upon first engagement of i said contacts and irrespective of the contact 'res1stance.- v

12, The combination with a sensitive unbiased relay having relatively movable con= ,tacts, said cont-acts being so delicate an S0 'feebl-y actuated by received energy that said contacts a actuated by a causing the closure'of a cirl, chit controlled? by the other contact-of said with 'asensitive uncauses widely difie'rent contact their engagement is uncertain and causes widcly different contact resistances, of a cireuit controlled by said contacts, a second unbiased relay included ,in said circuit, a

source of energy included in said circuit and 

